| Value | Category | Cases | |
|---|---|---|---|
| 1980 | 1 | 
                                    
                                    0.8%
                                 | |
| 1989 | 1 | 
                                    
                                    0.8%
                                 | |
| 1993 | 1 | 
                                    
                                    0.8%
                                 | |
| 1996 | 3 | 
                                    
                                    2.4%
                                 | |
| 1998 | 2 | 
                                    
                                    1.6%
                                 | |
| 1999 | 2 | 
                                    
                                    1.6%
                                 | |
| 2001 | 3 | 
                                    
                                    2.4%
                                 | |
| 2002 | 1 | 
                                    
                                    0.8%
                                 | |
| 2003 | 4 | 
                                    
                                    3.1%
                                 | |
| 2004 | 1 | 
                                    
                                    0.8%
                                 | |
| 2006 | 7 | 
                                    
                                    5.5%
                                 | |
| 2007 | 7 | 
                                    
                                    5.5%
                                 | |
| 2008 | 8 | 
                                    
                                    6.3%
                                 | |
| 2009 | 5 | 
                                    
                                    3.9%
                                 | |
| 2010 | 15 | 
                                    
                                    11.8%
                                 | |
| 2011 | 23 | 
                                    
                                    18.1%
                                 | |
| 9998 | ne sait pas | 43 | 
                                    
                                    33.9%
                                 | 
| 9999 | manquant | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 6537 |